滾動回到頂部 jQuery 插件：scroll2Top

scroll2Top 是個簡單的自定義 jQuery 插件，用來滾動回到頂部。 

  #to_the_top {
    display: none;
    position: fixed;
    cursor: pointer;
    /* modify below css to your needs */
    background: url('images/top.png') no-repeat left top;
    width: 60px;
    height: 60px;
    top: 240px;
    right: 50px;
  }

項目主頁：http://www.baiduhome.net/lib/view/home/1394799633290